UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110500.upa.cvt Date: 0000Z 5 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 5 NOV 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 100 200 5 SFC 999 108 6.2 3.9 85 2.3 5.1 200 5 279.4 280.3 278.3 293.3 5.06 2 943 579 3.6 0.8 82 2.8 2.4 222 31 281.4 282.2 278.3 293.4 4.30 3 942 588 4.8 1.9 81 2.9 3.4 223 32 282.7 283.5 279.4 295.7 4.66 4 925 736 4.4 0.2 74 4.2 2.5 230 40 283.8 284.5 279.4 295.6 4.19 5 907 896 3.2 -1.8 70 5.0 1.1 235 40 284.2 284.8 278.9 294.6 3.69 6 893 1022 4.2 1.1 80 3.1 2.7 238 40 286.5 287.3 281.2 299.6 4.64 7 850 1423 3.4 1.5 87 1.9 2.5 250 40 289.7 290.6 283.0 304.1 5.02 8 777 2149 1.2 -1.3 83 2.5 0.0 259 37 294.9 295.7 284.6 308.1 4.47 9 700 2980 -4.5 -6.7 85 2.2 -5.4 270 33 297.5 298.1 284.4 307.5 3.30 10 521 5245 -18.7 -20.8 83 2.1 -19.2 288 33 306.6 306.9 285.7 311.2 1.40 11 500 5550 -21.3 -24.1 78 2.8 -21.9 290 33 307.1 307.3 285.5 310.7 1.09 12 409 6994 -32.5 -35.5 75 3.0 -32.9 285 38 310.8 310.9 286.2 312.4 0.45 13 400 7150 -34.1 -37.3 73 3.2 -34.4 285 38 310.7 310.7 286.1 312.0 0.39 14 362 7840 -40.7 -44.0 70 3.3 -40.9 288 42 310.8 310.9 285.9 311.6 0.21 15 351 8050 -41.5 -44.7 71 3.2 -41.7 290 43 312.5 312.6 286.5 313.3 0.20 16 342 8225 -44.5 -48.1 67 3.6 -44.7 290 45 310.8 310.8 285.8 311.3 0.14 17 300 9090 -51.5 -55.1 65 3.6 -51.6 295 50 312.8 312.8 286.4 313.0 0.07 18 250 10250 -61.3 -64.9 62 3.6 -61.3 300 52 314.9 314.9 287.1 315.0 0.02 19 245 10375 -62.1 -65.9 60 3.8 -62.1 300 52 315.6 315.6 287.3 315.6 0.02 20 229 10791 -62.5 -66.4 59 3.9 -62.6 298 51 321.1 321.1 289.1 321.2 0.02 21 200 11630 -59.5 -63.6 59 4.1 -59.6 295 50 338.5 338.5 294.0 338.7 0.04 22 150 13450 -55.3 -60.2 54 4.9 -55.5 295 36 374.8 374.8 301.5 375.2 0.08 23 146 13622 -55.1 -60.1 54 5.0 -55.3 295 36 378.1 378.1 302.0 378.4 0.08 24 126 14554 -58.9 -64.9 46 6.0 -59.0 293 35 387.4 387.5 303.5 387.7 0.05 25 100 16000 -59.9 -67.9 34 8.0 -60.1 290 33 412.0 412.0 306.8 412.2 0.04 26 97 16191 -59.1 -67.1 35 8.0 -59.3 291 33 417.2 417.2 307.4 417.4 0.05 27 77 17619 -65.3 -75.3 24 10.0 -65.4 301 37 432.7 432.7 309.1 432.8 0.02 28 74 17861 -65.5 -74.5 28 9.0 -65.7 303 37 437.3 437.3 309.6 437.4 0.02 29 70 18200 -64.3 -74.3 24 10.0 -64.5 305 38 446.8 446.8 310.6 447.0 0.02 30 50 20240 -67.1 -78.1 20 11.0 -67.3 300 31 485.4 485.4 313.9 485.5 0.02 31 36 22219 -66.7 -77.7 20 11.0 -67.0 297 37 534.2 534.2 317.2 534.4 0.03 32 32 22925 -69.3 -80.3 19 11.0 -69.5 296 39 545.6 545.6 317.8 545.7 0.02 33 30 23310 -68.5 -79.5 19 11.0 -68.8 295 40 557.9 557.9 318.5 558.1 0.02 34 27 23945 -66.3 -78.3 17 12.0 -66.7 581.1 581.2 319.8 581.4 0.03 35 21 25448 -71.7 -84.7 13 13.0 -71.9 608.2 608.2 321.0 608.3 0.01 TRP 245 10375 -62.1 -65.9 60 3.8 -62.1 300 52 315.6 315.6 287.3 315.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5450.00 m Freezing level: 760.79 mb = 2323.75 m = 7623.76 ft Wetbulb zero: 776.72 mb = 2151.64 m = 7059.11 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 83.22 % Est. max temperature: 16.54 C = 61.78 F Sfc-Lift cond lev (LCL): 964.32 mb = 396.47 m = 1300.73 ft T: 4.61 C 700-500 lapse rate: 6.54 C/km ThetaE index: 1.10 C Layer 925.0- 893.0 mb Conv cond level (CCL): 728.57 mb = 2661.32 m = 8731.25 ft Mean mixing ratio: 4.43 g/kg Conv temperature: 23.28 C = 73.90 F Cap Strength: 11.75 C Lifted Index: 11.73 C Risk: None Lifted Index @300 mb: 13.11 C Lifted Index @700 mb: 8.31 C Showalter Index: 4.87 C Risk: None Total Totals Index: 47.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 22.80 C K Index: 24.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 236.35 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.46 J/kg Max Up Vert Vel: 7.14 m/s Conv Inhibition (B-): 45535.36 J/kg Cap Strength: 11.73 C Lift Cond Lev (LCL): 901.72 mb = 943.12 m = 3094.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 25 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 999 108 200 5 1.7 4.7 | 127 26 -20.9 16.0 1 925 736 230 40 30.6 25.7 | 192 38 8.0 37.0 2 850 1423 250 40 37.6 13.7 | 211 29 15.0 25.0 3 700 2980 270 33 33.0 -0.0 | 223 15 10.4 11.3 4 500 5550 290 33 31.0 -11.3 | 270 8 8.4 -0.0 5 400 7150 285 38 36.7 -9.8 | 264 14 14.1 1.4 6 300 9090 295 50 45.3 -21.1 | 293 25 22.7 -9.8 7 250 10250 300 52 45.0 -26.0 | 303 27 22.4 -14.7 8 245 10375 300 52 45.0 -26.0 | 303 27 22.4 -14.7 9 200 11630 295 50 45.3 -21.1 | 293 25 22.7 -9.8 10 150 13450 295 36 32.6 -15.2 | 291 11 10.0 -3.9 11 100 16000 290 33 31.0 -11.3 | 270 8 8.4 -0.0 12 70 18200 305 38 31.1 -21.8 | 321 14 8.5 -10.5 13 50 20240 300 31 26.8 -15.5 | 315 6 4.2 -4.2 14 30 23310 295 40 36.3 -16.9 | 292 15 13.6 -5.6 Wind Parameters Mean winds (0-6000m): 266.5 at 33.7 knts Storm direction: 296.5 at 25.3 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 96.7 deg Storm rel helicity (0-3000m) pos: 420.2 neg: 0.0 tot: 420.2 m^2/s^2 ave: 140.1 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 11.3 stream: 8.8 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.37 Bulk Shear: 68.53 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 227 19 160 26| 29.2 0.0 29.2|222.1 0.0 222.1 444.2 0.95| 30.0 28.6 1000 231 29 180 29| 18.7 0.0 18.7|349.9 0.0 349.9 349.9 0.93| 22.8 21.3 1500 238 33 190 29| 12.5 0.0 12.5|396.3 0.0 396.3 264.2 0.89| 18.0 16.1 2000 243 34 196 28| 8.9 0.0 8.9|407.9 0.0 407.9 203.9 0.85| 14.8 12.5 2500 247 34 200 26| 6.8 0.0 6.8|415.3 0.0 415.3 166.1 0.81| 12.8 10.3 3000 250 34 203 25| 5.4 0.0 5.4|420.2 0.0 420.2 140.1 0.78| 11.3 8.8 4000 256 34 208 22| 4.2 0.0 4.2|431.5 0.0 431.5 107.9 0.77| 9.0 7.0 5000 262 34 214 19| 3.4 0.0 3.4|441.6 0.0 441.6 88.3 0.78| 7.7 6.0 6000 267 34 220 17| 2.9 0.2 3.0|445.7 -0.8 444.9 74.1 0.76| 6.7 5.1 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251105.00.gif